Robe hook



FIG. 1 is a front elevational view of a robe hook showing my new design;

FIG. 2 is a left side view thereof, the opposite side being a mirror image of the side shown;

FIG. 3 is a top plan view thereof; and,

FIG. 4 is a rear elevational view thereof. 

The ornamental design for a robe hook, as shown and described. 